<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Register</title>
    <style>
        #register{
            width: 500px;
            height: 700px;
            border: 1px solid antiquewhite;
            position: absolute;
            top: 0;
            bottom: 0;
            left: 0;
            right: 0;
            margin: auto;
            background-color:aliceblue;
        }
        .account{
            margin-top: 20px;
            margin-bottom: 30px;
            width: 400px;
            height: 50px;
            border-radius: 5px;
            position: relative;
            font-size: larger;
            background-color: transparent;
        }
        button{
            margin-top: 0px;
            margin-bottom: 10px;
            width: 400px;
            height: 55px;
            border-radius: 5px;
            background-color: aqua;
        }
        .txt{
            text-align: left;
            padding-left: 50px;
        }
    </style>
</head>
<body>
    <div id="register" align="center">
        <form action="" method="post">
            <h1 style="text-align: center;">Create an account</h1>
            <h3 class="txt">What's your phone number</h3>
            <input type="text" class="account center" placeholder="Please enter your phone number" name="user">
            <br>
            <h3 class="txt">Please enter your password</h3>
            <input type="password" id="pwd" class="account center" placeholder="Your password" name="password1">
            <br>
            <h3 class="txt">Please confirm your password</h3>
            <input type="password" id="pwd" class="account center" placeholder="Your password" name="password2">
            <br>
            <button class="center">Click for log in</button>
        </form>
    </div>
</body>
</html>